<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title></title>
</head>
<body>
  
  
<%
   String queryString=request.getQueryString();

   String username=request.getParameter("username"); 
    String password=request.getParameter("password"); 
%>
  
  接受到的用户名：<%=username%><br>
  接受到的密码：<%=password%><br>
   接受到查询字符串：<%=queryString%><br>

</body>
</html>
